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| 1 | /* | |
| 2 | * Project: nRF905 AVR/Arduino Library/Driver | |
| 3 | * Author: Zak Kemble, contact@zakkemble.co.uk | |
| 4 | * Copyright: (C) 2013 by Zak Kemble | |
| 5 | * License: GNU GPL v3 (see License.txt) | |
| 6 | * Web: http://blog.zakkemble.co.uk/nrf905-avrarduino-librarydriver/ | |
| 7 | */ | |
| 8 | ||
| 9 | /* | |
| 10 | * Wait for data and reply. | |
| 11 | * Output power is set to the lowest setting, receive sensitivity is lowered. | |
| 12 | * | |
| 13 | * 7 -> CE | |
| 14 | * 8 -> PWR | |
| 15 | * 9 -> TXE | |
| 16 | * 2 -> CD | |
| 17 | * 3 -> DR | |
| 18 | * 10 -> CSN | |
| 19 | * 12 -> SO | |
| 20 | * 11 -> SI | |
| 21 | * 13 -> SCK | |
| 22 | */ | |
| 23 | ||
| 24 | #include <nRF905.h> | |
| 25 | #include <SPI.h> | |
| 26 | ||
| 27 | #define RXADDR {0x58, 0x6F, 0x2E, 0x10} // Address of this device (4 bytes)
| |
| 28 | #define TXADDR {0xFE, 0x4C, 0xA6, 0xE5} // Address of device to send to (4 bytes)
| |
| 29 | ||
| 30 | void setup() | |
| 31 | {
| |
| 32 | // Start up | |
| 33 | nRF905_init(); | |
| 34 | ||
| 35 | // Set address of this device | |
| 36 | byte addr[] = RXADDR; | |
| 37 | nRF905_setRXAddress(addr); | |
| 38 | ||
| 39 | // Lowest transmit level -10db | |
| 40 | nRF905_setTransmitPower(NRF905_PWR_n10); | |
| 41 | ||
| 42 | // Reduce receive sensitivity to save a few mA | |
| 43 | nRF905_setLowRxPower(NRF905_LOW_RX_ENABLE); | |
| 44 | ||
| 45 | // Put into receive mode | |
| 46 | nRF905_receive(); | |
| 47 | ||
| 48 | Serial.begin(9600); | |
| 49 | ||
| 50 | Serial.println(F("Server started"));
| |
| 51 | } | |
| 52 | ||
| 53 | void loop() | |
| 54 | {
| |
| 55 | Serial.println(F("Waiting for ping..."));
| |
| 56 | ||
| 57 | // Make buffer for data | |
| 58 | char buffer[NRF905_MAX_PAYLOAD]; | |
| 59 | ||
| 60 | // Wait for data | |
| 61 | while(!nRF905_getData(buffer, sizeof(buffer))); | |
| 62 | ||
| 63 | Serial.println(F("Got ping"));
| |
| 64 | ||
| 65 | // Set address of device to send to | |
| 66 | byte addr[] = TXADDR; | |
| 67 | nRF905_setTXAddress(addr); | |
| 68 | ||
| 69 | // Set payload data (reply with data received) | |
| 70 | nRF905_setData(buffer, sizeof(buffer)); | |
| 71 | ||
| 72 | Serial.println(F("Sending reply..."));
| |
| 73 | ||
| 74 | // Send payload (send fails if other transmissions are going on, keep trying until success) | |
| 75 | while(!nRF905_send()); | |
| 76 | ||
| 77 | // Put back into receive mode | |
| 78 | nRF905_receive(); | |
| 79 | ||
| 80 | Serial.println(F("Reply sent"));
| |
| 81 | ||
| 82 | // Show raw data | |
| 83 | Serial.print(F("Raw: "));
| |
| 84 | - | nRF905_getData(buffer, sizeof(buffer)); |
| 84 | + | Serial.write((byte*)buffer, sizeof(buffer)); |
| 85 | Serial.println(); | |
| 86 | ||
| 87 | - | if(strcmp((char*)buffer, "test test") == 0) |
| 87 | + | |
| 88 | Serial.print(F("Data: "));
| |
| 89 | - | Serial.println("OK");
|
| 89 | + | |
| 90 | if(strncmp(buffer, "test test", sizeof(buffer)) == 0) | |
| 91 | - | else |
| 91 | + | Serial.println("OK");
|
| 92 | else | |
| 93 | - | Serial.println("Fail");
|
| 93 | + | Serial.println("Fail");
|
| 94 | } |
